On Jul 12, 2006, at 20:10, Richard Elling wrote:

G1. for 3 <= Ndisks <=5, RAID-Z2 offers the best resiliency/space. For
    Ndisks > 5, RAID-1 offers best resiliency/space.  Ndisk-way RAID-1
always wins the resiliency, availability, and MTTDL but most people
    won't do it for Ndisks > 2.

Can you give some numeric examples for one or two cases? I'm having troubling 'visualizing' why this would be the case (especially for N > 5).
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